Home / 720,697,691.58-1,079,300,791.74-498,747,094.45

Finding the Fourth Proportional to 720,697,691.58, 1,079,300,791.74 and 498,747,094.45

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Solution

The fourth proportional to 720,697,691.58, 1,079,300,791.74 and 498,747,094.45 is: 746,912,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,697,691.58 : 1,079,300,791.74 = 498,747,094.45 : x
  2. Step 2: Convert to fraction form
    720,697,691.58/1,079,300,791.74 = 498,747,094.45/x
  3. Step 3: Cross multiply
    720,697,691.58x = 1,079,300,791.74 × 498,747,094.45
  4. Step 4: Simplify right side
    720,697,691.58x = 538,298,133,910,019,264
  5. Step 5: Solve for x
    x = 538,298,133,910,019,264/720,697,691.58
  6. Step 6: Final answer
    x = 746,912,526.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.